在一艘入境船舶上采获库蠓属一新种及其他蠓种的记述(双翅目:蠓科)

Record of a new species of genus Culicoides Kieffer and other species(Diptera:Ceratopogonidae)collected on an entry ship

本文报道了2014年4月18日在秦皇岛入境的一艘船舶上捕获的输入性库蠓一新种—远来库蠓(Culicoides abditus Yu and Nie,sp.nov.)。该新种翅面明斑多而形态不规则,径2室全暗且其端明斑大,前抵翅前缘后覆中1脉,在其后及下方明斑显著,但径-中横脉暗色,沿中脉有明带;中足第1跗节明显长,其TR3.24等特征可区别于其他已知库蠓种类。同时在该轮上采获一中国新纪录种—亚心库蠓(Culicoides pseudcoriger Wirth and Hubert,1989),以及斑背阿蠓(Alluaudomyia marmoratus Cater,Ingram&Macfie,1921)和尖喙库蠓(Culicoides oxystoma Kieffer,1910)等输入性蠓类。

A new species,Culicoides abditus Yu and Nie,sp. nov. was recorded,which was captured on an entry ship came from India,via Japan,at the anchorage of Qinhuangdao port on 18th,April,2014. The new species is significantly differed with other known species of Culicoides characterized by lots and irregular shapes of thyridiums on the wings. The second radial cell （R2） is completely dark and its big end thyridium reaches to costa at the front and covers the first media （M1） backward,with remarkable thyridiums at its rear and below position. The radio- median cross vein （r-m） is dark,with a bright belt along the media. The tarsus ratio （TR） of mid-legs is 3.24 and its 1st tarsus length is obviously longer than others. Culicoides pseudcoriger Wirth and Hubert,1989,a Chinese new record species was collected with Alluaudomyia marmoratus （Cater,Ingrain ＆ Macfie,1921） and Culicoides oxystoma Kieffer,1910 on the above ship at the same time.